Ojos Negros Threshold Days by Year (MXN00002035)

17 fixed thresholds counted per year at Ojos Negros (MXN00002035): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ojos Negros Thresholds

Ojos Negros: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1956 with 282.
Ojos Negros: days with a maximum temperature at or above 35 C (95 F) in 40 years, most in 1956 with 204.
Ojos Negros: days with a maximum temperature at or above 90 F (32.2 C) in 40 years, most in 1956 with 238.
Ojos Negros: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 1975 with 152.
17 fixed thresholds have at least one qualifying day at Ojos Negros.

Days at or above 30 C (86 F)

40 years with a qualifying day

Days per year at Ojos Negros with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 282 in 1956.

Days at or above 30 C (86 F) per year at Ojos Negros
Year	Days	Decade average
1949	189	189
1950	249	222.6
1951	224	222.6
1952	183	222.6
1953	249	222.6
1954	259	222.6
1955	228	222.6
1956	282	222.6
1957	187	222.6
1958	130	222.6
1959	235	222.6
1960	159	133.6
1961	119	133.6
1962	140	133.6
1963	188	133.6
1964	146	133.6
1965	71	133.6
1966	86	133.6
1967	103	133.6
1968	177	133.6
1969	147	133.6
1970	157	129.4
1971	135	129.4
1972	138	129.4
1973	145	129.4
1974	118	129.4
1975	110	129.4
1976	138	129.4
1977	149	129.4
1978	114	129.4
1979	90	129.4
1980	80	103.9
1981	103	103.9
1982	81	103.9
1983	84	103.9
1984	108	103.9
1985	101	103.9
1986	87	103.9
1989	187	103.9
1990	159	159

For each year, a bar from the first to the last day at Ojos Negros meeting 30 C (86 F).

First to last qualifying date each year at Ojos Negros
Year	First date	Last date
1949	1949-03-18	1949-12-05
1950	1950-02-03	1950-12-30
1951	1951-01-21	1951-11-30
1952	1952-02-01	1952-12-16
1953	1953-01-03	1953-12-30
1954	1954-01-02	1954-12-25
1955	1955-01-25	1955-12-26
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-10-01
1958	1958-04-22	1958-12-18
1959	1959-03-12	1959-12-27
1960	1960-01-07	1960-11-01
1961	1961-04-03	1961-10-23
1962	1962-02-05	1962-11-26
1963	1963-02-04	1963-12-31
1964	1964-01-01	1964-10-28
1965	1965-04-20	1965-10-30
1966	1966-04-01	1966-10-31
1967	1967-05-20	1967-11-15
1968	1968-02-25	1968-12-07
1969	1969-01-02	1969-10-31
1970	1970-02-08	1970-11-25
1971	1971-01-16	1971-11-11
1972	1972-01-11	1972-09-30
1973	1973-04-25	1973-11-12
1974	1974-05-22	1974-11-12
1975	1975-05-12	1975-12-09
1976	1976-01-15	1976-11-23
1977	1977-02-11	1977-11-26
1978	1978-05-12	1978-11-07
1979	1979-05-13	1979-10-06
1980	1980-06-09	1980-10-10
1981	1981-06-04	1981-09-28
1982	1982-05-17	1982-10-24
1983	1983-05-23	1983-10-12
1984	1984-04-13	1984-09-30
1985	1985-04-11	1985-11-02
1986	1986-03-26	1986-09-09
1989	1989-02-22	1989-12-26
1990	1990-01-09	1990-11-13

Every Fixed Threshold

Fixed thresholds at Ojos Negros
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	40	282	1956	159
35 C (95 F): Days	40	204	1956	81
40 C (104 F): Days	35	115	1956	14
45 C (113 F): Days	18	55	1955	3
50 C (122 F): Days	8	13	1955	3
90 F (32.2 C): Days	40	238	1956	108
100 F (37.8 C): Days	39	161	1956	52
110 F (43.3 C): Days	21	68	1956	1
120 F (48.9 C): Days	11	19	1955	4
0 C (32 F): Ice days (max	1	6	1967	6
0 C (32 F): Frost days (min	40	152	1975	70
-10 C (14 F): Days with min	13	9	1972	1
20 C (68 F): Tropical nights (min	26	17	1969	4
25 C (77 F): Days with min	2	2	1969	2
10 mm (0.39 in): Days with 10 mm or more rain	40	18	1983	6
25 mm (0.98 in): Days with 25 mm or more rain	28	5	1978	2
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1977	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

Data for Ojos Negros threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Ojos Negros Threshold Days by Year (MXN00002035)

Key Facts for Ojos Negros Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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